Hi Atul, you can check NameNode logs if the DataNodes were in service or there were issues with them. As well you can check for BlockManager's debug level logs for more exact reasons if you can reproduce the issue at will.
Istvan On Aug 28, 2017 17:56, "Atul Rajan" <atul.raja...@gmail.com> wrote: Hello Sir, when i am copying data from local to hdfs i am getting below error : can you please guide me how to proceed further with the error copying could only be replicated to 0 nodes instead of multiplication (=1) There are 2 datanodes running and 2 nodes are excluded in this operation Thanks and Regards Atul Rajan -Sent from my iPhone